Royall Supply

Back Flow Valve

Dual check valves with an Intermediate Atmospheric Vent prevent the reverse flow of water from entering into the water supply. Designed for continuous pressure applications in smaller supply lines, and specifically for boiler feed lines.


Back Flow Preventor

Watts Back Flow Preventor 1/2"
Watts Back Flow Preventor 1/2"
BOI71248

Watts Back Flow Preventor 1/2"

Royall Supply
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We've got everything you need to build an efficient system. Find all the supplies you need for commercial and residential plumbing and fittings along with installation parts. Our world class customer support is always ready to help you locate the correct part and get it shipped to you fast.

Royall is an online supply leader for PEX, Heating Supplies, Plumbing Supplies, Fittings, Valves and Electrical components


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